UG8JCT, UGF8JCT, UGB8JCT Series
Vishay Semiconductors
formerly General Semiconductor
Document Number 88766
www.vishay.com
03-Jul-02
1
New Product
Dual Ultrafast Plastic Rectifier Series
Reverse Voltage 500 to 600V
Forward Current 8A
Reverse Recovery Time 25ns
0.08
(2.032)
0.24
(6.096)
0.42
(10.66)
0.63
(17.02)
0.12
(3.05)
0.33
(8.38)
Mounting Pad Layout TO-263AB
Dimensions in inches
and (millimeters)
0.380 (9.65)
0.411 (10.45)
0.320 (8.13)
0.360 (9.14)
0.591(15.00)
0.624 (15.85)
1
2
0.245 (6.22)
MIN
K
K
PIN 1
PIN 2
K - HEATSINK
0.160 (4.06)
0.190 (4.83)
0.045 (1.14)
0.055 (1.40)
0.015 (0.38)
0.022 (0.56)
0.110 (2.79)
0.140 (3.56)
0.021 (0.53)
0.014 (0.36)
0.047 (1.19)
0.055 (1.40)
0-0.01 (0-0.254)
0.027 (0.686)
0.037 (0.940)
0.105 (2.67)
0.095 (2.41)
0.205 (5.20)
0.195 (4.95)
1
3
PIN
2
0.060 (1.52)
0.405 (10.27)
0.383 (9.72)
0.191 (4.85)
0.171 (4.35)
0.600 (15.5)
0.580 (14.5)
0.560 (14.22)
0.530 (13.46)
0.037 (0.94)
0.027 (0.69)
0.140 (3.56)
0.130 (3.30)
0.350 (8.89)
0.330 (8.38)
0.188 (4.77)
0.172 (4.36)
0.110 (2.80)
0.100 (2.54)
0.131 (3.39)
0.122 (3.08)
0.110 (2.80)
0.100 (2.54)
0.022 (0.55)
0.014 (0.36)
DIA.
DIA.
0.676 (17.2)
0.646 (16.4)
0.205 (5.20)
0.195 (4.95)
0.105 (2.67)
0.095 (2.41)
PIN 2
PIN 1
PIN 3
ITO-220AB (UGF8JCT Series)
TO-220AB (UG8JCT Series)
TO-263AB (UGB8JCT Series)
1
2
3
PIN
0.185 (4.70)
0.175 (4.44)
0.055 (1.39)
0.045 (1.14)
0.145 (3.68)
0.135 (3.43)
0.350 (8.89)
0.330 (8.38)
0.560 (14.22)
0.530 (13.46)
0.022 (0.56)
0.014 (0.36)
0.110 (2.79)
0.100 (2.54)
0.603 (15.32)
0.573 (14.55)
CASE
1.148 (29.16)
1.118 (28.40)
PIN 2
0.154 (3.91)
0.148 (3.74)
0.113 (2.87)
0.103 (2.62)
0.160 (4.06)
0.140 (3.56)
0.410 (10.41)
0.390 (9.91)
0.635 (16.13)
0.625 (15.87)
0.415 (10.54) MAX.
0.370 (9.40)
0.360 (9.14)
PIN 1
PIN 3
0.028 (0.70)
0.104 (2.65)
0.096 (2.45)
0.035 (0.90)
0.205 (5.20)
0.195 (4.95)
0.105 (2.67)
0.095 (2.41)
Features
Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
Ideally suited for free wheeling diode power factor
correction applications
Soft recovery characteristics
Excellent high temperature switching
Optimized to reduce switching losses
High temperature soldering guaranteed: 250C/10 seconds
at terminals
Glass passivated chip junction
Mechanical Data
Case: JEDEC TO-220AB, ITO-220AB & TO-263AB mold-
ed plastic body
Terminals: Plated leads, solderable per
MIL-STD-750, Method 2026
Polarity: As marked
Mounting Position: Any
Mounting Torque: 10 in-lbs maximum
Weight: 0.08 oz., 2.24 g
UG8JCT, UGF8JCT, UGB8JCT Series
Vishay Semiconductors
formerly General Semiconductor
www.vishay.com
Document Number 88766
2
03-Jul-02
Maximum Ratings
(T
C
= 25C unless otherwise noted)
Parameter
Symbol
UG8HCT
UG8JCT
Unit
Maximum repetitive peak reverse voltage
V
RRM
500
600
V
Maximum working reverse voltage
V
RWM
400
480
V
Maximum RMS voltage
V
RMS
350
420
V
Maximum DC blocking voltage
V
DC
500
600
V
Maximum average forward rectified current
I
F(AV)
8.0
A
Peak forward surge current 8.3ms single half sine-wave
I
FSM
65
A
superimposed on rated load (JEDEC Method) per leg at T
C
= 100C
Operating junction and storage temperature range
T
J
, T
STG
55 to +150
C
RMS Isolation voltage (UGF types only)
4500
(1)
from terminals to heatsink with t = 1.0 second, RH
30%
V
ISOL
3500
(2)
V
1500
(3)
Electrical Characteristics
(T
C
= 25C unless otherwise noted)
Parameter
Symbol
UG8HCT
UG8JCT
Unit
Maximum instantaneous
I
F
= 4A, T
J
= 25C
V
F
1.75
V
forward voltage per leg
(4)
I
F
= 4A, T
J
= 125C
1.50
T
J
= 25C
30
A
Maximum DC reverse current per leg at V
RWM
T
J
= 100C
I
R
800
A
T
J
= 125C
4.0
mA
Maximum reverse recovery time per leg at
I
F
= 0.5A, I
R
= 1.0A, I
rr
= 0.25A
t
rr
25
ns
Maximum reverse recovery time per leg at
t
rr
50
ns
I
F
= 1.0A, di/dt = 50A/
s, V
R
= 30V, I
rr
= 0.1 I
RM
Typical softness factor (t
b
/t
a
)
S
0.9
--
I
F
= 4.0A, di/dt = 240A/
s, V
R
= 400V, I
rr
= 0.1 I
RM
Maximum reverse recovery current per leg at
I
RM
3.0
A
I
F
= 4.0A, di/dt = 32A/
s, V
R
= 400V, T
C
= 125C
Maximum reverse recovery current per leg at
I
RM
8
A
I
F
= 4.0A, di/dt = 240A/
s, V
R
= 400V, T
C
= 125C
Peak forward recovery time per leg at
t
fr
500
ns
I
F
= 4.0A, di/dt = 64A/
s, V
F
= 1.1V
Fmax
Thermal Characteristics
(T
C
= 25C unless otherwise noted)
Parameter
Symbol
UG8
UGF8
UGB8
Unit
Typical thermal resistance from junction to case
R
JC
3.5
6.0
3.5
C/W
Notes: (1) Clip mounting (on case), where lead does not overlap heatsink with 0.110" offset
(2) Clip mounting (on case), where leads do overlap heatsink
(3) Screw mounting with 4-40 screw, where washer diameter is
4.9 mm (0.19")
(4) Pulse test: 300
s pulse width, 1% duty cycle
Ordering Information
Product
Case
Package Code
Package Option
UG8HCT - UG8JCT
TO-220AB
45
Anti-Static tube, 50/tube, 2K/carton
UGF8HCT - UGF8JCT
ITO-220AB
45
Anti-Static tube, 50/tube, 2K/carton
31
13" reel, 800/reel, 4.8K/carton
UGB8HCT - UGB8JCT
TO-263AB
45
Anti-Static tube, 50/tube, 2K/carton
81
Anti-Static 13" reel, 800/reel, 4.8K/carton
UG8JCT, UGF8JCT, UGB8JCT Series
Vishay Semiconductors
formerly General Semiconductor
Document Number 88766
www.vishay.com
03-Jul-02
3
Ratings and
Characteristic Curves
(T
A
= 25C unless otherwise noted)
1
100
10
Peak Forward Surge Current (A)
Number of Cycles at 60 H
Z
0
0
12
10
6
8
2
4
25
50
75
100
125
150
Fig. 1 -- Maximum Forward Current
Derating Curve
A
verage Forward Rectified Current (A)
Case Temperature (
C)
0.5
1.0
1.5
2.0
2.5
Instantaneous Forward Voltage (V)
Fig. 3 -- Typical Instantaneous
Forward Characteristics Per Leg
0
20
60
40
100
80
Fig. 4 -- Typical Reverse Leakage
Characteristics Per Leg
Instantaneous Reverse Current (
A)
Percent of Rated Peak Reverse Voltage (%)
0.01
0.1
10
100
1
Instantaneous Forward Current (A)
Reverse Voltage (V)
Junction Capacitance (pF)
1
10
100
100
10
1
10
100
1,000
10,000
1
T
J
= 25
C max.
Pulse Width = 300
s
1% Duty Cycle
T
J
= 25
C
f = 1.0MH
Z
V
sig
= 50mvp-p
0
120
140
100
60
80
20
40
25
50
75
100
125
150
Fig. 6 -- Reverse Switching
Characteristics Per Leg
Stored Charge/Reverse Recovery T
ime,
(nC/ns)
T
J
, Junction Temperature (
C)
Q
rr
T
rr
I
F
= 4A
V
r
= 30V
Fig. 2 -- Maximum Non-Repetitive Peak
Forward Surge Current Per Leg
Fig. 5 -- Typical Junction Capacitance
Per Leg
di/dt =
UG8JCT, UGB8JCT
UGF8JCT
P.C.B. with 7.5 x 7.5 x 0.3cm
Copper Pad
0
20
40
60
80
100
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